LAR2E821MELA45

The LAR2E821MELA45 is a snap-in terminal aluminum electrolytic capacitor designed for general-purpose power applications that require high-voltage capability and robust thermal endurance. It combines a large 820 µF capacitance with a 250 V rated voltage in a radial, snap-in can package.

Engineered for elevated-temperature operation, this part is specified for use up to 105°C with demonstrated endurance under rated ripple current and includes design measures to reduce short incidence under overvoltage conditions. It is RoHS compliant.

Key Features

• Capacitance & Voltage — 820 µF nominal capacitance with a 250 V rated voltage and ±20% tolerance, suitable for bulk filtering and energy storage in high-voltage circuits.
• Snap-in Terminal Package — Radial, can-style snap-in mounting for secure board retention and easy assembly in panel or PCB-mounted power assemblies.
• High-Temperature Endurance — Rated for operation up to 105°C with endurance testing showing 2000 hours at 105°C when D.C. bias plus rated ripple current is applied.
• Ripple Current Capability — Specified rated ripple current of 2 A at 120 Hz and 3 A at 50 kHz, supporting applications with continuous AC ripple loading.
• Overvoltage Safety Design — Product performance includes reduction of short incidence when subjected to overvoltage (rated voltage × 1.5), with safety performance characterized in the datasheet.
• Leakage Current Specification — Leakage current meets I ≤ 3√CV (µA) after 5 minutes' application of rated voltage at 20°C, per the datasheet definition.
• Operating Temperature Range — −40°C to +105°C for 200/250 V ratings, supporting use in elevated-temperature environments.
• RoHS Compliant — Conforms to RoHS directive (2011/65/EU, (EU)2015/863).
• Physical Size — Compact radial can: length 4.5 cm × diameter 2.5 cm, suitable for dense power assemblies.

Typical Applications

• Power supply filtering — Bulk smoothing and decoupling in high-voltage DC power supplies where 820 µF at 250 V is required.
• DC link and energy storage — Local energy reservoir and ripple current handling in power conversion and inverter front ends subject to elevated temperatures.
• Industrial power equipment — General-purpose use in industrial controllers and power modules that require snap-in mounting and long high-temperature endurance.

Unique Advantages

• High-temperature reliability: 2000 hours endurance at 105°C under rated ripple conditions offers predictable performance in hot operating environments.
• Improved safety under overvoltage: Design characteristics reduce short incidence when subjected to 1.5× rated voltage, supporting safer operation during abnormal voltage events.
• Strong ripple handling: Explicit ripple current ratings at both 120 Hz and 50 kHz allow designers to size capacitors with frequency-specific loading in mind.
• Secure snap-in mounting: Radial snap-in terminals enable robust mechanical retention for vertical can installation on PCBs.
• Regulatory compliance: RoHS conformity ensures compatibility with restricted-substance requirements for modern builds.

Why Choose LAR2E821MELA45?

The LAR2E821MELA45 positions itself as a reliable aluminum electrolytic option for designers who need a high-capacitance, high-voltage component with proven high-temperature endurance. Its combination of 820 µF at 250 V, snap-in packaging, and explicit ripple and leakage specifications make it a practical choice for power filtering, DC link and other general-purpose power applications.

Manufactured by Nichicon and compliant with RoHS, this part provides a clear, specification-driven solution for applications that demand thermal robustness and controlled behavior under elevated ripple and overvoltage conditions.

Request a quote or submit an inquiry to receive pricing, availability, and ordering information for the LAR2E821MELA45.